<h2>Deep Blue Professional - DB Ammonia Remover Pad 18x10"</h2><p>Cut to fit media pads traps micro and macro organic particles, foreign debris, and excess fish food&#046;</p><p>For use in custom sumps&#047;refugiums, hang&#045;on filters, prefilter boxes, and more&#046; Safe for both freshwater and marine aquaria&#046;</p><ul><li>Chemical & Mechanical Dual stage filtration</li><li>Reduces ammonia spikes and toxic buildup</li><li>Promotes a healthy aquatic environment. New thicker, more rigid design for extended use.</li></ul>